Implement GetCurrentCountryID() for Linux....

chrome/browser/search_engines/template_url_prepopulate_data.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/search_engines/template_url_prepopulate_data.h"
 
+#if defined(OS_LINUX)
+#include <locale.h>
+#endif
+
 #include "base/command_line.h"
 #include "base/string_util.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/pref_service.h"
 
 #if defined(OS_WIN)
 #undef IN  // On Windows, windef.h defines this, which screws up "India" cases.
 #elif defined(OS_MACOSX)
@@ skipping 2761 matching lines @@
   CFRange char_range = CFRangeMake(0, 2);
   CFStringGetCharacters(country, char_range, isobuf);
 
   return CountryCharsToCountryIDWithUpdate(static_cast<char>(isobuf[0]),
                                            static_cast<char>(isobuf[1]));
 }
 
 #elif defined(OS_LINUX)
 
 int GetCurrentCountryID() {
-  NOTIMPLEMENTED();
+  const char* locale = setlocale(LC_MESSAGES, NULL);
+
+  if (!locale)
+    return kCountryIDUnknown;
+
+  // The format of a locale name is:
+  // language[_territory][.codeset][@modifier], where territory is an ISO 3166
+  // country code, which is what we want.
+  std::string locale_str(locale);
+  std::string::size_type begin = locale_str.find('_');

[Peter Kasting, 2009/09/16 23:35:10]

Nit: After some discussion a while back, we agreed to use "size_t" across the
codebase instead of "std::string::size_type".

+  if (begin == std::string::npos || locale_str.size() - begin < 3)
+    return kCountryIDUnknown;
+
+  begin++;

[Peter Kasting, 2009/09/16 23:35:10]

Nit: I'd prefer preincrement to post except where necessary

+  std::string::size_type end = locale_str.find_first_of(".@", begin);
+  if (end == std::string::npos)
+    end = locale_str.size();
+
+  // The territory part must contain exactly two characters.
+  if (end - begin == 2) {
+    return CountryCharsToCountryIDWithUpdate(
+        ToUpperASCII(locale_str[begin]), ToUpperASCII(locale_str[begin + 1]));
+  }
+
   return kCountryIDUnknown;
 }
 
 #endif  // OS_*
 
 int GetCountryIDFromPrefs(PrefService* prefs) {
   // See if the user overrode the country on the command line.
   const std::wstring country(
     CommandLine::ForCurrentProcess()->GetSwitchValue(switches::kCountry));
   if (country.length() == 2)
@@ skipping 415 matching lines @@
     new_turl->set_date_created(Time());
     std::vector<std::string> turl_encodings;
     turl_encodings.push_back(engines[i]->encoding);
     new_turl->set_input_encodings(turl_encodings);
     new_turl->set_prepopulate_id(engines[i]->id);
     t_urls->push_back(new_turl);
   }
 }
 
 }  // namespace TemplateURLPrepopulateData